Modular building



FIG. 1 is a rear perspective view of a first embodiment of a modular building showing my new design, which is shown broken away to indicate that a specific length forms no part of the claimed design;

FIG. 2 is a front view thereof, the rear view being a mirror image thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a top plan view thereof, the bottom plan view being a mirror image thereof;

FIG. 6 is a rear perspective view of a second embodiment of a modular building, which is shown broken away to indicate that a specific length forms no part of the claimed design;

FIG. 7 is a front view thereof, the rear view being a mirror image thereof;

FIG. 8 is a right side view thereof; and,

FIG. 9 is a top plan view thereof, the bottom plan view being a mirror image thereof. 

The ornamental design for a modular building, as shown and described. 